Companies: 10,795·Total market cap: $144.5T
Atlantica Sustainable Infrastructure plc

Atlantica Sustainable Infrastructure plc

AYNASDAQUtilities
$21.99
+$0.00(+0.00%)
Market Cap$2.6B
P/E Ratio
52W High$23.47
52W Low$16.82

Atlantica Sustainable Infrastructure plc (AY) PE Ratio — Current & Historical Data

Trailing twelve months (TTM) P/E, forward P/E, PEG, and annual PE history — from market prices and filings.

ay · pe ratio · data through Dec 31, 2023

Core PE Ratio Metrics

Trailing 12 months · TTM

The price-to-earnings (P/E) ratio for Atlantica Sustainable Infrastructure plc (AY) measures how much investors pay for each dollar of the company's trailing earnings. AY's current PE ratio of 58.88x is calculated by dividing its stock price of $21.99 by its TTM earnings per share of $0.37. −88.5% discount vs 5Y avg 513.0x

58.88x
P/E Ratio (TTM)88.5%

Source: FMP · /ratios-ttm · /analyst-estimates · 2023-12-31

Forward P/E
23.03x
FY2026 est. EPS $0.95
Based on 4 analysts
EPS (TTM)
$0.37
TTM · diluted EPS
PEG Ratio
-1.51
Source: FMP · /ratios-ttm · /ratios annual · /analyst-estimates · /stock-peers · Atlantica Sustainable Infrastructure plc SEC 10-K & 10-Q filings · US GAAPUpdated: 2026-06-08

PE Ratio History

2011 – 2023 · Annual
PE Ratio (TTM)
5Y Avg 513.0x
EPS (Annual)

▸ FMP /ratios?period=annual&limit=20 · priceToEarningsRatio + netIncomePerShare (Annual)

Historical PE Range

Past 5 fiscal years · Front-end computed
Average
513.0x
5-yr mean
Median
57.6x
5-yr midpoint
Minimum
42.9x
Lowest year
Maximum
2187.9x
Highest year
58.9x ← Now
42.9x
Min
Q1 · 25%57.6x
Median
Q3 · 75%2187.9x
Max
Within Historical Range

At 58.88x, AY's current P/E is within its average historical range over the past 5 fiscal years.

60th percentileHigher than 3 of 5 historical fiscal year readings

Percentile calculated from annual fiscal year data points, not by trading day. Years where PE ≤ 0 or > 9,999 are excluded.

PE Ratio vs Peers

Renewable Utilities · 6 peers · Annual PE
CompanyMarket CapPE (Annual)vs AvgEPS (TTM)
Atlantica Sustainable Infrastructure plc
Atlantica Sustainable Infrastructure plcYou
AY
$2.6B58.88x+308.0%$0.37
Altus Power, Inc.
Altus Power, Inc.
AMPS
$801M36.70x+154.3%$0.11
Azure Power Global Limited
Azure Power Global Limited
AZREF
$62MN/A-$48.80
DTE Energy Company JR SUB DEB 76
DTE Energy Company JR SUB DEB 76
DTJ
$4.5B3.55x-75.4%$7.06
Electriq Power Holdings, Inc.
Electriq Power Holdings, Inc.
ELIQ
$1MN/A-$1.37
Heliogen, Inc.
Heliogen, Inc.
HLGN
$10M0.34x-97.7%$5.36
H2O America
H2O America
HTO
$2.0B17.14x+18.8%$2.86
Industry Average
4 peers with valid PE
14.43xbaseline

* N/A — Company is not profitable (TTM) · excluded from industry average · ▸ FMP /stock-peers + /ratios?limit=1 · priceToEarningsRatio

Annual PE Ratio History

Showing 10 of 13 years
Fiscal Year EndPE RatioEPS (TTM)YoY ChangePE vs Max
2023-12-31Latest
FY2023
57.57x$0.37
2022-12-31
FY2022
$-0.02
2021-12-31
FY2021
$-0.10
2020-12-31
FY2020
229.31x$0.17+434.2%
2019-12-31
FY2019
42.92x$0.61-9.1%
2018-12-31
FY2018
47.22x$0.42
2017-12-31
FY2017
$-1.12
2016-12-31
FY2016
$-0.05
2015-12-31
FY2015
$-2.25
2014-12-31
FY2014
$-0.40

▸ FMP /ratios?period=annual&limit=20 · priceToEarningsRatio + netIncomePerShare · Zero extra API

About PE Ratio & Methodology

The price-to-earnings (P/E) ratio for Atlantica Sustainable Infrastructure plc (AY) measures how much investors pay for each dollar of the company's trailing earnings. AY's current PE ratio of 58.88x is calculated by dividing its stock price of $21.99 by its TTM earnings per share of $0.37.

PE Ratio = Stock Price ÷ EPS (TTM)
= $21.99 ÷ $0.37 = 58.88x
TTMTrailing Twelve Months — sum of the most recent 4 quarterly EPS figures
Forward PEStock price ÷ analyst consensus EPS estimate for the next fiscal year
PEGPE ÷ earnings growth rate — values below 1.0 suggest growth may justify the premium
Figures tie to SEC 10-K/10-Q and FMP ratio endpoints where noted.

Frequently asked questions

AY pe ratio · 6 questions

AY's current PE ratio is 58.88x as of 2026-06-08, based on a stock price of $21.99 and TTM EPS of $0.37. Data sourced from Financial Modeling Prep via AY's SEC 10-K and 10-Q filings.

AY PE ratioWhat is AY PE ratioCurrent PE ratio of AYAY PE ratio today

Source: FMP · /ratios-ttm · /ratios annual · /analyst-estimates · /stock-peers · Atlantica Sustainable Infrastructure plc SEC 10-K & 10-Q filings · US GAAP · Updated: 2026-06-08